High power target for the High Brilliance Neutron Source

被引：0
|
作者：
Baggemann, J. [1 ]
Gutberlet, T. [1 ]
Zakalek, P. [1 ]
Wolters, J. [2 ]
Ruecker, U. [1 ]
Mauerhofer, E. [1 ]
Li, J. [1 ]
Ding, Q. [1 ]
Loewenhoff, Th. [3 ]
Dorow-Gerspach, D. [3 ]
Bessler, Y. [2 ,3 ]
Brueckel, Th. [1 ]
机构：
[1] Forschungszentrum Julich, JCNS HBS, D-52428 Julich, Germany
[2] Forschungszentrum Julich, ZEA 1, D-52428 Julich, Germany
[3] Forschungszentrum Julich, IEK 4, D-52428 Julich, Germany
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2024年 / 1069卷
关键词：
HiCANS; High power; Neutron target; HBS; GENERATING TARGET; DESIGN;
D O I：
10.1016/j.nima.2024.169912
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The High Brilliance Neutron Source (HBS) is a High-Current Accelerator-driven Neutron Source (HiCANS) under development at J & uuml;lich Centre for Neutron Science - Forschungszentrum J & uuml;lich. The unique specifications of the HBS require a neutron target with a high neutron emission able to operate in vacuum with a 70 MeV proton beam with 90 mA peak current and 1.6% duty cycle leading to an average thermal load of 100 kW. A tantalum target of 100 cm(2) irradiated area with an internal cooling structure which removes the heat quite homogeneously, provides a good compromise between low pressure and high heat transfer and ensures an homogeneous protons energy loss was designed and optimized by means of MCNP, CFD and FEM simulations. Such a target was successfully manufactured and its operational capability was demonstrated by operating it under a heat load of 1 kW cm(-2) from an electron gun.
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页数：10
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